Ad blocker interference detected!
Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers
Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.
Check out our speed guide with commentary to Test Chambers 9-17.
Keywords: Portal 2
Tags: 13, chapter, pc, return, 10, 9, 12, 14, portal-2, 17, portal, 3, chambers, guide, 15, games, mac, test, 11, guide-walkthrough, speed, walkthrough, xbox-360, ps3, run, 16, the